Slip printer



FIG. 1 is a perspective view of a slip printer, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear plan view thereof;

FIG. 4 is a front plan view thereof; and,

FIG. 5 is a left side or end view thereof. 

The ornamental design for a slip printer, as shown. 